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白花丹地上部分的化学成分研究 被引量:6

Chemical Constituents of the Aerial Parts from Plumbago zeylanica
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摘要 目的:研究白花丹地上部分的抗氧化活性成分。方法:利用硅胶柱层析、中压柱层析(RP C18色谱柱)、制备型HPLC(RP C18色谱柱)等色谱技术对白花丹地上部分乙醇提取部位的化学成分进行分离纯化。通过ESIMS、UV、1H-NMR、13C-NMR等波谱学手段结合文献调研对所分离得到的化学成分进行结构测定。采用清除ABTS+自由基法对所得到的单体化合物进行抗氧化活性评价。结果:从白花丹地上部分中共分离鉴定了11个化合物,分别为:反-异柿萘醇酮-4-O-β-D-吡喃葡萄糖苷(1)、tachioside(2)、2,6-二甲氧基-对苯二酚-1-O-β-D-吡喃葡萄糖苷(3)、3-(β-D-吡喃葡萄糖基)-4-甲氧基苯甲酸(4)、3'-O-β-D-吡喃葡萄糖基-白花丹酸(5)、3'-O-β-D-吡喃葡萄糖基-白花丹酸甲酯(6)、白花丹酸(7)、plumbagine A(8)、plumbagine C(9)、丁香酸-4-O-β-D-吡喃葡萄糖苷(10)、2-甲基-5-羟基色原酮(11)。抗氧化活性评价显示化合物2、3、5具有较为显著的ABTS+自由基清除能力。结论:其中,化合物1~4、10、11为首次从该植物中分离得到;化合物2、3、5具有显著的抗氧化活性。 Objective: To study the anti-oxidative constituents of the aerial parts of Plumbago zeylanica. Methods: The ethanol extract of Plumbago zeylanica was separated and purified by various chromatographic techniques. On the basis of various spectroscopic data,the structures of isolated compounds were elucidated. ABTS+radical scavenging were carried out in antioxidant activity evaluation of the isolated compounds. Results: Eleven compounds were isolated and identified as cis-isoshinanolone-4-O-β-D-glucopyranoside( 1),tachioside( 2),2,6-dimethoxy-p-hydroquinone-1-O-β-D-glucopyranoside( 3),3-( β-D-glucopyranosyloxy)-4-methoxybenzoic acid( 4),3'-O-β-D-glucopyranosyloxy-plumbagic acid( 5),3'-O-β-D-glucopyranosyloxy-plumbagic acid methyl ester( 6),plumbagic acid( 7),plumbagine A( 8),plumbagine C( 9),syringate-4-O-β-D-glucopyranoside( 10) and 2-methyl-5-hydroxychromone( 11). Compounds 2,3,and5 displayed significant scavenging effect on ABTS+. Conclusion: Compounds 1 ~ 4,10,11 are obtained from this plant for the first time. Compounds 2,3,and 5 show significant anti-oxidative effects.
作者 唐晓光 王超 马骁驰 张厚利 霍晓奎 张宝璟 钟鸣 TANG Xiao-guang WANG Chao MA Xiao-chi ZHANG Hou-li HUO Xiao-kui ZHANG Bao-jing ZHONG Ming(Medical School of Chifeng University, Chifeng 024000, China College of Pharmacy in Dalian Medical University, Dalian 116044, China Guangxi Institute of Chinese Medicine & Pharmaceutical Science, Nanning 530022, China)
出处 《中药材》 CAS CSCD 北大核心 2016年第7期1541-1544,共4页 Journal of Chinese Medicinal Materials
基金 国家自然科学基金(81503201)
关键词 白花丹 地上部分 化学成分 抗氧化 Plumbago zeylanica L. Aerial parts Chemical constituents Anti-oxidant
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参考文献14

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